Metal packaging with safety cap

ABSTRACT

Metal packaging including a container ( 1 ) sealed by a lid ( 2 ), a safety cap ( 5 ) sitting atop the lid, characterized in that this packaging is equipped with means ( 4, 6 ) for locking the safety cap onto the container. To this end, the cap ( 5 ) is provided with flexible peripheral tabs ( 6 ) designed to be able to clip onto an end flange ( 4 ) formed on the opening of the container ( 1 ) and curved outwards. Fastening the safety cap directly onto the wall of the container ( 1 ) in this way appreciably improves the firmness of the closure and therefore the safety against accidental opening of the packaging.

[0001] The subject of the present invention is a metal packagingcomprising a container sealed by a lid with a safety cap atop the lid.

[0002] French Patent 93/00 099 (2,700,155) describes metal packaging ofthis type, in which the safety cap is dimensioned so that it can sitatop the lid and be locked onto a support ring for a hooped handle.

[0003] This system provides safety which, in theory, is able to preventany accidental opening of the metal packaging in the event of an impactand therefore the emptying of its contents (glue, paint, flammableliquid, etc.).

[0004] The object of the invention is to produce a metal packaging whichis equipped with a closure device, the safety of which is improved stillfurther with respect to this device of the prior art.

[0005] According to the invention, the packaging is equipped with meansfor locking the safety cap directly onto the upper edge of the wall ofthe container.

[0006] Thus, this cap is no longer snap-fastened onto a part that isattached to the wall of the container, but is snap-fastened directlyonto the wall itself, thus improving the robustness and safety of theclosure.

[0007] According to one embodiment of the invention, the safety cap isprovided with flexible peripheral tabs designed to be able to be clippedonto an end flange formed on the opening of the container and curvedoutward.

[0008] As the container is made of metal, the firmness with which thesafety cap is elastically snap-fastened onto its flange is all thebetter.

[0009] Other particular features and advantages of the invention willbecome apparent during the description which will follow, given withreference to the appended drawing which illustrates one embodimentthereof by way of non-limiting example.

[0010] The single FIGURE is a partial view in elevation, more or less toscale, of one embodiment of the metal packaging according to theinvention.

[0011] The metal packaging depicted in the drawings includes a container1 with a cylindrical metal wall, capable of holding various liquids, anda metal lid 2.

[0012] The latter comprises a peripheral flange 3 of concave profile,the concave side of which faces towards the bottom of the container.This flange 3 rests against an end flange 4 formed on the periphery ofthe opening of the container 1 and which is curved outwards with itsconcave side facing towards the bottom of the container 1.

[0013] The packaging also includes a safety cap 5 made of plasticdimensioned to be able to sit over the lid 2 and which is equipped witha series of flexible peripheral tabs. These tabs 6 are each equippedwith an inner nib 7, designed to catch on the end flange 4 of thecontainer 1 through the elastic snap-fastening (clipping) of the tabs 6.

[0014] The safety cap 5 is thus directly snap-fastened onto the upperedge 4 of the wall 1 of the container.

[0015] The wall of the container 1 consists of an annular part 19, ofwhich the outer edge is rolled over and caught on the upper end of thewall 1, and of which the inner edge, of a smaller diameter than the wall1, consists of the end flange 4.

[0016] The safety cap 5 is supplemented by a lateral tab 21 that can begrasped in the hand and which is arranged with a U-shaped profile toallow a can stacked on top of it to be nested inside it.

[0017] Snap-fitting the cap 5 directly onto the flange 4 of the wall 1via the flexible tabs 6 of this cap greatly improves the safety of theclosure of the packaging.

[0018] The safety cap can also, as an alternative, be shaped to exhibita profile that allows stacking.

1. Metal packaging including a container (1) sealed by a lid (2), asafety cap (5) sitting atop the lid, characterized in that thispackaging is equipped with means (4, 6) for locking the safety capdirectly onto the upper edge (4) of the wall (1) of the container. 2.Packaging according to claim 1, characterized in that the safety cap (5)is provided with flexible peripheral tabs (6) designed to be able toclip onto an end flange (4) formed on the opening of the container (1)and curved outwards.